Brian Johnson has been keeping his vocal cords in check ahead of AC/DC ’s big 2025 tour, having recently busted out a rendition of the Aussie hard rockers’ classic “Highway to Hell” alongside pop royal Lady Gaga for the new A Carpool Karaoke Christmas special.

Lady Gaga has always wanted to "just dance" however she feels. In the special Christmas episode of Carpool Karaoke, which premiered on Sunday, Dec. 15 and also featured Dua Lipa and Chappell Roan, the pop icon, 38, recalled a time when she was told to tone things down as a music video extra.

While regaling a surprised Lowe with the spicy lyrics to her 2008 single "Christmas Tree," Gaga also shared a clip of her late grandmother singing AC/DC's "Highway to Hell," in a

Lady Gaga has recalled being an extra in an AC/DC video. During an appearance on Apple TV's A Carpool Karaoke Christmas, which was released on Sunday night, Gaga showed a clip of her late grandmother singing AC/DC's 1979 hit Highway to Hell before host Zane Lowe surprised her with an appearance by the band's lead singer Brian Johnson.

Lady Gaga has recalled being an extra in AC/DC's 'Stiff Upper Lip' music video when she was a teenager. The 38-year-old pop megastar was surprised when DJ Zane Lowe got the legendary rock group's frontman Brian Johnson,